PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

600287Seat,valve

Twc-Thevalve Company · NSN 4820-01-073-5848 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-073-5848 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-073-5848. Primary manufacturer part number: 600287.
Features
  • Seat,valve — FSC 4820
  • 11 verified cross-references
  • Primary manufacturer: Twc-Thevalve Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-073-5848, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Twc-Thevalve Company. This item has 11 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersWalworth Co the (CAGE 95995); Twc-Thevalve Company (CAGE 3QCJ8); Walworth Co Marine Div (CAGE 90664)
Technical Specifications
ParameterValue
NSN4820-01-073-5848
Primary Part Number600287
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTwc-Thevalve Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-056-4743 INTERCHANGEABLE
Yoke Bushing,valve
4820-01-114-4573 INTERCHANGEABLE
Seat,valve
3655-01-150-7278600287 INTERCHANGEABLE
Muff Assembly
Cv International, Inc.
5905-01-202-9843 INTERCHANGEABLE
Resistor Variable
4820-01-204-2537632829 INTERCHANGEABLE
Disk,valve
The Walworth Company
4820-01-234-79167589-39-1 INTERCHANGEABLE
Seat,valve
The Walworth Company
4820-01-234-79707515-8-15-1 INTERCHANGEABLE
Stem,fluid Valve
The Walworth Company
4820-01-234-80837515-5-Y-HF INTERCHANGEABLE
Disk,valve
The Walworth Company
4810-01-238-5448600287 INTERCHANGEABLE
Head,valve
Tavco, Inc. Div Williams Aerospace & Manufacturing Inc.
4820-01-250-5948 INTERCHANGEABLE
Cap,valve
Cross-Reference Index
Part NumberManufacturer
7586-39-Y Walworth Co the (USA)
600287 PRIMARY Twc-Thevalve Company (USA)
600287 Walworth Co the (USA)
600287 Walworth Co Marine Div (USA)
N-11398 Walworth Co the (USA)
C7586-39H Twc-Thevalve Company (USA)
7586-39-Y Twc-Thevalve Company (USA)
CD55299 Walworth Co the (USA)
CP-55299 Walworth Co Marine Div (USA)
700 663265 Walworth Co Marine Div (USA)
C7586-39H Walworth Co the (USA)
Related Parts
4820-01-056-4743INTERCHANGEABLE
YOKE BUSHING,VALVE
4820-01-114-4573INTERCHANGEABLE
SEAT,VALVE
3655-01-150-7278INTERCHANGEABLE
MUFF ASSEMBLY
600287
5905-01-202-9843INTERCHANGEABLE
RESISTOR VARIABLE
4820-01-204-2537INTERCHANGEABLE
DISK,VALVE
632829
4820-01-234-7916INTERCHANGEABLE
SEAT,VALVE
7589-39-1
4820-01-234-7970INTERCHANGEABLE
STEM,FLUID VALVE
7515-8-15-1
4820-01-234-8083INTERCHANGEABLE
DISK,VALVE
7515-5-Y-HF
4810-01-238-5448INTERCHANGEABLE
HEAD,VALVE
600287
4820-01-250-5948INTERCHANGEABLE
CAP,VALVE
4820-01-250-5949INTERCHANGEABLE
CAP,VALVE
4820-01-459-4040INTERCHANGEABLE
DISK,VALVE
0600127

Frequently Asked Questions

What is NSN 4820-01-073-5848?

NSN 4820-01-073-5848 is a Seat,valve, manufactured by Twc-Thevalve Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-073-5848?

NSN 4820-01-073-5848 has 11 cross-referenced part numbers: 7586-39-Y (Walworth Co the), 600287 (Twc-Thevalve Company), 600287 (Walworth Co the), 600287 (Walworth Co Marine Div), N-11398 (Walworth Co the) and 6 more.

What NSN replaces 4820-01-073-5848?

There are 12 known substitutes for 4820-01-073-5848: 4820-01-056-4743, 4820-01-114-4573, 3655-01-150-7278 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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